﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace class2
{
    class Program
    {
        static void Main(string[] args)
        {
            SumUtils a = new SumUtils();

            a.shu(1,1);

            a.shu(1.1, 1.1);

            a.shu("123abc","321abc");

            a.shu(5);

            Console.ReadKey();


        }
    }
}
